Serra da Arrabida, level 9a.: Barremian, Portugal
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lituolida
- Lituolidae
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Ammobaculites sp.
Cushman 1910
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Textulariidae indet.
Ehrenberg 1838
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Cyclamminidae
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Choffatella decipiens
Schlumberger 1905
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Trocholinidae
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Trocholina sp.
Paalzow 1922
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra tuberculifera
Koch and Dunker 1837
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recombined as Ceratostreon tuberculiferum | |||||||
Bivalvia
- Ostreida
- Ostreidae
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Ostrea pes-elephanti
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Bivalvia
- Pholadomyida
- Pholadomyidae
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Pholadomya sp.
Sowerby 1823
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Ostracoda
- Platycopida
- Cytherellidae
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Cytherella sp.
Jones 1849
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Ostracoda
- Podocopida
- Cytherideidae
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Schuleridea sp.
Swartz and Swain 1946
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Ostracoda
- Podocopida
- Trachyleberididae
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Cythereis sp.
Jones 1849
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Ostracoda
- Podocopida
- Brachycytheridae
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Macrodentina sp. n. sp.
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Echinoidea
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cf. Trochotiara bourgueti
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see common names |
Geography
Country: | Portugal |
Coordinates: | 38.4° North, 9.2° West (view map) |
Paleocoordinates: | 31.7° North, 1.4° East |
Basis of coordinate: | based on nearby landmark |
Geographic resolution: | hand sample |
Time
Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
Stage: | Barremian | 10 m.y. bin: | Cretaceous 2 |
Key time interval: | Barremian | ||
Age range of interval: | 129.40000 - 125.00000 m.y. ago |
Stratigraphy
Formation: | Calcaires et marnes à Choffatelles | ||||
Local section: | Serra da Arrabida | Local bed: | 9a | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: 10m |
Lithology and environment
Primary lithology: | deformed bedding,yellow,blue lithified sandy grainstone |
Secondary lithology: | poorly lithified marl |
Includes fossils? | Y |
Includes fossils? | Y |
Environment: | coastal indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection excludes: | difficult macrofossils |
Collection methods: | bulk,surface (in situ),field collection |
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 73347 | ||
Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate |
Created: | 2007-06-12 23:45:53 | Last modified: | 2007-06-13 02:45:53 |
Access level: | the public | Released: | 2007-06-12 23:45:53 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
18719. | J. Rey. 1972. Recherches géologiques sur le Crétacé inférieur de l'Estremadura (Portugal). Serviços Geologicos de Portugal 21:1-477 [L. Villier/L. Villier] |